1. 1984
2. The biology of reproduction in two British pulmonate slugs.

   Nicholas, J. (Awdur), Hyd 1984

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

3. 1983
4. An experimental study on the migration of the African armyworm moth, Spodoptera exempta (Walker) (Lepidoptera : Noctuidae).

   Parker, W. E. (Awdur), Medi 1983

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

5. Demography of animal modular colonies.

   Cancino, J. M. (Awdur), Meh 1983

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

6. Ecophysiology of ecotypes : An investigation in the ecophysiology of sand dune ecotypes

   Baleela, A. R. H. (Awdur), Ion 1983

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

7. 1982
8. Distribution, concentration and bonding factors affecting the performance of water repellents applied to wood

   Razzaque, M. A. (Awdur), Medi 1982

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

9. 1981
10. Biosystematic and cytological studies of mosses and liverworts.

    Abderrahman, S. M. M. (Awdur), Rhag 1981

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

11. Studies on the ecology of Littorina Obtusata

    Hollingworth, C. E. (Awdur), Medi 1981

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

12. Studies on the male reproductive cycle in the lizard Chalcides Ocellatus.

    Mahmoud, F. M. S. (Awdur), Mai 1981

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

13. Micronutrient studies on cotton growth on Syrian calcareous soils.

    Mohammad, S. Y. (Awdur), Maw 1981

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

14. 1980
15. Invasion of host tissue by infective larvae of Ascaris suum (Goeze, 1782)

    Arene, F. O. I. (Awdur), Tach 1980

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

16. Food selection by the rabbit.

    Soane, G. A. (Awdur), Ion 1980

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

17. Studies on plant-animal interactions : Terrestrial molluscs and their food plants.

    Minjarez, R.D. (Awdur), Ion 1980

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

18. 1979
19. Biochemical aspects of fascioliasis in domestic and experimental animals.

    Gameel, A. A. R. (Awdur), Meh 1979

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

20. An economic appraisal of forestry and the forest industries of Greece 1950-1990.

    Sakkas, G. A. (Awdur), Ion 1979

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

21. Studies in Antarctic palaeobotany.

    Lucas, R. C. (Awdur), Ion 1979

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

22. The history of forests and forestry in Wales up to the formation of the Forestry Commission

    Linnard, W. (Awdur), Ion 1979

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

23. 1974
24. A study of excretion in the slug Agriolimax reticulatus

    Garner, J. (Awdur), Medi 1974

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

25. 1973
26. The effects of trampling and vehicles on natural vegetation.

    Liddle, M. (Awdur), P. Greig-Smith, P. (Goruchwylydd), Mai 1973

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

27. 1970
28. Studies on organ cultures of slug reproductive tracts

    Bailey, T. G. (Awdur), Medi 1970

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

29. 1968
30. A comparative study of morphology, behaviour and ecology of Chaetogaster Limnaei ( von Baer) from several host species

    Buse, A. (Awdur), Medi 1968

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

31. 1966
32. Studies in the flora of the Rhynie chert

    Saadawy, W.E.-S. (Awdur), Meh 1966

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

33. Studies on plant microfossils from the Carboniferous of North Wales

    Hibbert, F. A. (Awdur), Ebr 1966

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

34. Studies on fossil plants of Karoo age from Central & Southern Africa

    Williams, P. (Awdur), Ion 1966

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

35. The genetics and evolution of differences between closely adjacent plant populations, with special reference to heavy metal tolerance

    Antonovics, J. (Awdur), Ion 1966

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

36. Studies on the nutrition and feeding of the larvae of the large cabbage white butterfly, Pieris brassicae L.

    Akhtar, M. (Awdur), 1966

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

37. 1965
38. Comparative studies in the pathology of radiomimetic conditions

    Mason, J. (Awdur), Medi 1965

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

39. 1963
40. An ecological study of Chaetogaster limnaei( von Baer)

    Gruffydd, L. D. (Awdur), Ebr 1963

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

41. 1959
42. Calcareous algae of the silurian of the Welsh border

    Green, H. (Awdur), Ebr 1959

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

43. 1958
44. A Study in the Experimental Taxonomy of some British Sphagha (section Cuspidata),with observations of their ecology.

    Agnew, S. (Awdur), 5 Mai 1958

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth